gin/run_microtasks_observer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GIN_RUN_MICROTASKS_OBSERVER_H_
   6 #define GIN_RUN_MICROTASKS_OBSERVER_H_
   7
   8 #include "base/message_loop/message_loop.h"
   9 #include "v8/include/v8.h"
  10
  11 namespace gin {
  12
  13 // Runs any pending v8 Microtasks each time a task is completed.
  14 // TODO(hansmuller); At some point perhaps this can be replaced with
  15 // the (currently experimental) Isolate::SetAutorunMicrotasks() method.
  16
  17 class RunMicrotasksObserver : public base::MessageLoop::TaskObserver {
  18  public:
  19   RunMicrotasksObserver(v8::Isolate* isolate);
  20
  21   void WillProcessTask(const base::PendingTask& pending_task) override;
  22   void DidProcessTask(const base::PendingTask& pending_task) override;
  23
  24  private:
  25   v8::Isolate* isolate_;
  26 };
  27
  28 }  // namespace gin
  29
  30 #endif  // GIN_RUN_MICROTASKS_OBSERVER_H_